Here are some useful links for you:
The United States Educational Foundation in PakistanExamine different fellowship programs that can be availed by Pakistani citizens.
The College BoardThe College Board is responsible for the SAT, Subject Tests and the AP exams. There is more information on this site regarding other aspects of the college process.
ACTThe ACT is a college entrance exam accepted by every college in the country as an alternative to the SAT. For more information about the ACT test, go to this site.
The Common ApplicationThe Common Application can be downloaded from this site, along with a listing of the several hundred schools that utilize it.
NCAA ClearinghouseIf you are looking to be recruited as a Division I or II NCAA athlete, you can go to this site for the requirements of eligibility.
National Association for College Admission CounselingNACAC is a national college admission organization dedicated to serving students as they make choices about pursuing post-secondary education.